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Subtracting Integers ALA: Pre-Algebra Unit 6 Integers.

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Presentation on theme: "Subtracting Integers ALA: Pre-Algebra Unit 6 Integers."— Presentation transcript:

1 Subtracting Integers ALA: Pre-Algebra Unit 6 Integers

2 SUBTRACTING INTEGERS

3 SUBTRACTION IS THE SAME AS… ADDING THE OPPOSITE The opposite of 5 is…. The opposite of -5 is… -55

4 5 - 3 5 - 3 = 2

5 3 - 5 3 - 5 = -2

6 -3 - 5 -3 - 5 = -8

7 -5 - 3 -5 - 3 = -8

8 5 - 3 5 - (-3) = 8

9 -5 - 3 -5 - (-3) = -2

10 -3 - 5 -3 - (-5) = 2

11 3 - 5 3 - (-5) = 8

12 TRY SOME YOURSELF

13 -10 - 2 -12

14 7 - (-6) 13

15 - 4 - (-7) 3

16 - 1 -2

17 - 1 - 9 -10

18 4 - (-7) 11

19 -3 - 7 -10

20 -2 - (-1)

21 0 - (-8) 8

22 -3 - (-3) 0

23 0 - 13 -13

24 HOW ABOUT SOME ALGEBRA?

25 9X - 2X 7X

26 -5y - 3y -8y

27 7X - (-4X) 11X

28 7X 2 - 6X 2 X 2

29 6X - 7X -X

30 -7ps - (-3ps) -4ps

31 MIX THEM UP! ADDITION AND SUBTRACTION

32 -11 + 6 -5

33 -5 - 13 -18

34 -5X - 11X -16X

35 -15 - 15 -30

36 -1 + (-4) -5

37 -6 - (-2) -4

38 -12 - (-12) 0

39 -17 - 10 -27

40 21 + (-6) 15

41 MoHealthWINs This workforce solution was funded by a grant awarded by the U.S. Department of Labor’s Employment and Training Administration. The solution was created by the grantee and does not necessarily reflect the official position of the U.S. Department of Labor. The Department of Labor makes no guarantees, warranties, or assurances of any kind, express or implied, with respect to such information, including any information on linked sites and including, but not limited to, accuracy of the information or its completeness, timeliness, usefulness, adequacy, continued availability, or ownership. Unless otherwise noted this MoHealthWINs material by St. Louis Community College is licensed under a Creative Commons Attribution 4.0 International License.St. Louis Community CollegeCreative Commons Attribution 4.0 International License


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